Home / 8,929.50-13,396.14-3,664.50

Finding the Fourth Proportional to 8,929.50, 13,396.14 and 3,664.50

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Solution

The fourth proportional to 8,929.50, 13,396.14 and 3,664.50 is: 5,497.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.50 : 13,396.14 = 3,664.50 : x
  2. Step 2: Convert to fraction form
    8,929.50/13,396.14 = 3,664.50/x
  3. Step 3: Cross multiply
    8,929.50x = 13,396.14 × 3,664.50
  4. Step 4: Simplify right side
    8,929.50x = 49,090,155.03
  5. Step 5: Solve for x
    x = 49,090,155.03/8,929.50
  6. Step 6: Final answer
    x = 5,497.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.